rails sが起動できません

コマンドにてrails s でサーバーを起動させようとすると、下記のようなコメントが出て
railsサーバーが立ち上がりません。

lsof -i :3000でサーバーの停止忘れがないか確認するが、起動しているサーバーIDはありませんでした。
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yoshikawayuuki-no-MacBook-Pro:chat-space yoshikawayuuki$ rails s
=> Booting Puma
=> Rails 5.0.7.2 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
Exiting
Traceback (most recent call last):
	59: from bin/rails:3:in `<main>'
	58: from bin/rails:3:in `load'
	57: from /Users/yoshikawayuuki/projects/chat-space/bin/spring:15:in `<top (required)>'
	56: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	55: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	54: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>'
	53: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load'
	52: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/spring-2.1.0/bin/spring:49:in `<top (required)>'
	51: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/spring-2.1.0/lib/spring/client.rb:30:in `run'
	50: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call'
	49: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call'
	48: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load'
	47: from /Users/yoshikawayuuki/projects/chat-space/bin/rails:9:in `<top (required)>'
	46: from /Users/yoshikawayuuki/projects/chat-space/bin/rails:9:in `require'
	45: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands.rb:18:in `<top (required)>'
	44: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
	43: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands_tasks.rb:85:in `server'
	42: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands_tasks.rb:85:in `tap'
	41: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/commands_tasks.rb:90:in `block in server'
	40: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/server.rb:102:in `start'
	39: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/server.rb:148:in `log_to_stdout'
	38: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/server.rb:354:in `wrapped_app'
	37: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/commands/server.rb:84:in `app'
	36: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/server.rb:219:in `app'
	35: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/server.rb:319:in `build_app_and_options_from_config'
	34: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/builder.rb:40:in `parse_file'
	33: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/builder.rb:49:in `new_from_string'
	32: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/builder.rb:49:in `eval'
	31: from /Users/yoshikawayuuki/projects/chat-space/config.ru:in `<main>'
	30: from /Users/yoshikawayuuki/projects/chat-space/config.ru:in `new'
	29: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/builder.rb:55:in `initialize'
	28: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rack-2.0.7/lib/rack/builder.rb:55:in `instance_eval'
	27: from /Users/yoshikawayuuki/projects/chat-space/config.ru:3:in `block in <main>'
	26: from /Users/yoshikawayuuki/projects/chat-space/config.ru:3:in `require_relative'
	25: from /Users/yoshikawayuuki/projects/chat-space/config/environment.rb:5:in `<top (required)>'
	24: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/application.rb:352:in `initialize!'
	23: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/initializable.rb:54:in `run_initializers'
	22: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:205:in `tsort_each'
	21: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:226:in `tsort_each'
	20: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:347:in `each_strongly_connected_component'
	19: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:347:in `call'
	18: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:347:in `each'
	17: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:349:in `block in each_strongly_connected_component'
	16: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:431:in `each_strongly_connected_component_from'
	15: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
	14: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/2.5.0/tsort.rb:228:in `block in tsort_each'
	13: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/initializable.rb:55:in `block in run_initializers'
	12: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/initializable.rb:30:in `run'
	11: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/initializable.rb:30:in `instance_exec'
	10: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/railties-5.0.7.2/lib/rails/application/finisher.rb:65:in `block in <module:Finisher>'
	 9: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/lazy_load_hooks.rb:49:in `run_load_hooks'
	 8: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/lazy_load_hooks.rb:49:in `each'
	 7: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/lazy_load_hooks.rb:50:in `block in run_load_hooks'
	 6: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/lazy_load_hooks.rb:65:in `execute_hook'
	 5: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/lazy_load_hooks.rb:60:in `with_execution_control'
	 4: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/lazy_load_hooks.rb:67:in `block in execute_hook'
	 3: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/i18n_railtie.rb:15:in `block in <class:Railtie>'
	 2: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/i18n_railtie.rb:41:in `initialize_i18n'
	 1: from /Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/i18n_railtie.rb:41:in `each'
/Users/yoshikawayuuki/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activesupport-5.0.7.2/lib/active_support/i18n_railtie.rb:49:in `block in initialize_i18n': undefined 
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